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velikii [3]
3 years ago
6

I have all way been bad at this stuff

Mathematics
2 answers:
notka56 [123]3 years ago
7 0
Don't worry about not being good at this. Its really random and you will never need to know this.
a) 13-(-3) = 16 subtration
13+3 = 16 addition
b) An example of this would be -2 and 3.
nlexa [21]3 years ago
5 0
A. Subtraction: 13 -(-3)=16
Addition: 13 +(-3)=10

B. 40*F and 45*F
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The height to the base of an isosceles triangle is 12.4m, and its base is 40.6m. What are the measurement of the angles of the t
Vsevolod [243]

Answer:

  • angles: 31.42°, 31.42°, 117.16°
  • legs: 23.79 m

Step-by-step explanation:

The base angles can be found from the definition of the tangent function:

  tan(base angle) = height/(half-base length)

  base angle = arctan(12.4/20.3) ≈ 31.418°

Then the apex angle is double the complement of this:

  apex angle = 2(90° -31.418°) ≈ 117.164°

The base angles are 31.42°, and the apex angle is 117.16°.

__

The leg lengths can be computed from the Pythagorean theorem applied to the altitude and the half-base length.

  leg length = √(12.4² +20.3²) = √565.85 ≈ 23.789 . . . . meters

The length of the legs is about 23.79 m.

5 0
3 years ago
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Can you pls answer the question
Liono4ka [1.6K]

Answer:8

Step-by-step explanation: behind the x value (5) there are 2 ages that had a value. You add the two values (5+3) and you get 8.
Final answer is 8.

8 0
2 years ago
Y = (x+3)(x+3) <br><br> What does it look like on a graph?
puteri [66]
Mark Brainliest please

I think it looks like the image
8 0
3 years ago
Which qoutients are equivalent to -2/3?
Mice21 [21]
The answers are : A and C
3 0
2 years ago
ONLY answer if yk it i’m giving best answer brainliest!!
S_A_V [24]

Answer:

-x^4-10x+1/10

Step-by-step explanation:

standard form goes from biggest power to smallest power

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3 years ago
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